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Hi everyone! Our company is developing content filtering application using network extension's NEAppProxyProvider. for OS X Catalina and higher Everything is totally fine except one thing - we are facing problems with flows those were created as keep-alive sockets on the source app side. Details on the subject: when any browser creates http stream it unexpectedly shuts down the flow NEAppProxyTCPFlow after a keep-alive timeout(the value of the keep-alive timeout varies on different browsers: chromium-based browsers 45 sec, firefox 11 min, safari 2 min 30 sec approximately). It looks like the NEAppProxyTCPFlow does not support keep-alive connection. Any thoughts on this? appreciate any help, thanks